Text preview for : Block Diagram.pdf part of Samsung SYNCMASTER 700-BPLUS_CKG7509-CKG7509L-XAA Service Manual
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H-SYNC, V-SYNC
HEATER
MAIN BOARD
H-SYNC,V-SYNC
VER. OUTPUT IC301
High Voltage CONTROL IC501
FRONT CONTROL BOARD H - SIZE V - SIZE
HOR./VER. OSC PROCESSOR
VER. - DY CN301 +200V FBT -90V T501 +30V High Volt.-DRIVE Q501 High Voltage OUTPUT
MICOM V - POSI. S - PIN. TRAPEZOID
IC401 (UPC1883)
H - POSI.
(BD-7)
IC201 PARA. PIN - BALANCE V - LIN. HOR.-DEF. STEP-UP CONVERTER Q411 HOR.-DRIVE Q403
POSITION SIZE G/D COLOR TEMP RECALL DEGAUSS ADJUSTMENT
HOR.- OUT Q406
FOCUS1,2
SCREEN
CKG7507L
VIDEO BOARD
Video Pre-Amp CRT SOCKET BOARD RGB IC101(KA2140B) SOCKET R G B - CUTOFF SK1 CONTROL(KA324) IC401(LSC4350)
G1
CRT VIDEO OUTPUT IC101(LM2405T)
D-SUB INPUT (15 PIN)
RGB
10 Block Diagram
OSD DRIVE CONTROL
TILT
ABL
H/V
HOR.-DY CN400 CN401 CN402
+12V ABL CIRCUIT
BRIGHTNESS CONTRAST LED VER.-BLANKING GENERATOR
2
EPROM (24LC411) IC203
V-MUTE S-CORRECTION LED PS-1 (SUSPEND) PS-2 (POWEROFF) +70V PWM CONTROL & SWITCHING FET SWITCHING TRANS. T601 -12V +7V RECTIFIER (D601~D604) IC601 +45V +13V
H-DEF. TRANS T401
G1
CONTRAST CONTROL
CONTRAST CONTROL
TO VIDEO +12V +12V REGULATION PS1,PS2 (FROM Micom) VER. OUTPUT & TILT CONTROL CRT HEATER HEATER
TO D - COIL ON THE CRT
DEGAUSSING BLOCK RL601
BRIGHTNESS CONTROL
BRIGHTNESS CONTROL
-90V ( FROM FBT)
LINE FILTER
AC-INLET SOCKET IS601
L601
POWER-OFF MODE CONTROL (Q606)
PS-2
10-1
10 Block Diagram
Memo
10-2
CKG7507L